105 F11 lecture 14 cmpd

105 F11 lecture 14 cmpd - Atoms of which element will have...

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Atoms of which element will have the largest atomic radius? A. Rb B. Sc C. Al D. Si E. F
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Business Juggling analogy Student Survival Session A. Saturday 9am B. Monday 4pm C. Tuesday 2pm D. Wednesday 4pm
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Orientation Last time . . . Atomic size is governed by proton-electron attraction and electron-electron repulsion. Effective nuclear charge (Z eff ) Next How apt are atoms to form ions (which are reactive)? Z eff explains many things
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Who cares ? Power to predict reactivity Tendencies to gain or lose electrons assists in determining whether or not atoms will react with each other.
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Ionization Ionization Atom changed to ion - change in the # of electrons. How does one ionize something? Energy is required to remove electrons. Energy is released when electrons are added . Ionization energy (IE) is the minimum amount of energy input to an atom or ion in order to remove an electron. IE is an amount of energy required (ΔE >0).
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